11986220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 26707968

約数和(自身を除く): 14721748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 367, 460, 710, 734, 1420, 1468, 1633, 1835, 3266, 3670, 6532, 7340, 8165, 8441, 16330, 16882, 26057, 32660, 33764, 42205, 52114, 84410, 104228, 130285, 168820, 260570, 521140, 599311, 1198622, 2397244, 2996555, 5993110, 11986220]

約数ペア:

[(1, 11986220), (2, 5993110), (4, 2996555), (5, 2397244), (10, 1198622), (20, 599311), (23, 521140), (46, 260570), (71, 168820), (92, 130285), (115, 104228), (142, 84410), (230, 52114), (284, 42205), (355, 33764), (367, 32660), (460, 26057), (710, 16882), (734, 16330), (1420, 8441), (1468, 8165), (1633, 7340), (1835, 6532), (3266, 3670)]